1117725 has 24 divisors (see below), whose sum is σ = 2112960. Its totient is φ = 510720.

The previous prime is 1117709. The next prime is 1117729. The reversal of 1117725 is 5277111.

It is a happy number.

It is not a de Polignac number, because 1117725 - 2⁴ = 1117709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1117695 and 1117704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 540 + ... + 1589.

It is an arithmetic number, because the mean of its divisors is an integer number (88040).

2^1117725 is an apocalyptic number.

1117725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1117725 is a deficient number, since it is larger than the sum of its proper divisors (995235).

1117725 is a wasteful number, since it uses less digits than its factorization.

1117725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149 (or 2144 counting only the distinct ones).

The product of its digits is 490, while the sum is 24.

The square root of 1117725 is about 1057.2251415853. The cubic root of 1117725 is about 103.7795193498.

The spelling of 1117725 in words is "one million, one hundred seventeen thousand, seven hundred twenty-five".